American Journal of Engineering and Applied Sciences

Investigating the Efficacy of a Bio-Based Modifier to Improve the Rheological Properties of Recycled Asphalt Shingles

Mohammed Jawad, Elham H. Fini and Taher M. Abu-Lebdeh

DOI : 10.3844/ajeassp.2017.165.174

American Journal of Engineering and Applied Sciences

Volume 10, Issue 1

Pages 165-174

Abstract

This study investigates the use of Bio-Binder, derived from swine manure, as an additive to improve rheological properties of bitumen extracted from recycled asphalt shingles. Test results show that adding Bio-Binder to Recycled Asphalt Shingles (RAS) leads to reduced viscosity, modulus shear complex G*, relaxation time RT and segregation. Results illustrated that the derived Bio-Binder additive can remove the negative impact of oxidation and rejuvenate bitumen extracted from recycled asphalt shingles.